Harold R. Smith, M.D., Inc
NPI 1932326022 · Sleep Medicine (Psychiatry & Neurology) Physician · Irvine, CA
Harold R. Smith, M.D., Inc is a Sleep Medicine (Psychiatry & Neurology) Physician organization in Irvine, CA (NPI 1932326022).
Provider details
- NPI number
- 1932326022
- Entity type
- Organization
- Primary specialty
- Sleep Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Harold Smith, President(949) 509-7726
- License
- G43052 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2025-09-11
Frequently asked questions
- What is Harold R. Smith, M.D., Inc's NPI number?
- Harold R. Smith, M.D., Inc's National Provider Identifier (NPI) is 1932326022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Harold R. Smith, M.D., Inc?
- Harold R. Smith, M.D., Inc is classified in the NPPES registry as Sleep Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Harold R. Smith, M.D., Inc located?
- Harold R. Smith, M.D., Inc's practice location on file with NPPES is 4199 Campus Dr Ste 350, Irvine, CA 92612-4690.
- What is Harold R. Smith, M.D., Inc's phone number?
- The practice phone number listed in the NPPES registry for Harold R. Smith, M.D., Inc is (949) 509-7726.
- Who is the authorized official for Harold R. Smith, M.D., Inc?
- The authorized official listed on Harold R. Smith, M.D., Inc's NPPES record is Harold Smith, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Harold R. Smith, M.D., Inc's NPI active?
- Yes — Harold R. Smith, M.D., Inc's NPI (1932326022) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.